EE STATED THAT HE WAS OPERATING A DIESEL LO-TRAC, PLACING A MOTOR IN PLACE FOR A FUTURE BELT HEAD DRIVE INSTALLATION. HE GOT AGAINST THE COAL RIB WITH THE LO-TRAC, CAUSING SOME MATERIAL TO FALL FROM THE RIB. THE RIB ROLL STRUCK HIM ON HIS RIGHT LEG, CAUSING A FRACTURE TO THE TIBIA AND FIBULA IN HIS RIGHT LEG.